Neutral Current - GE D30 Instruction Manual

5 SETTINGS
SETTING
PHASE DIR 1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AND
PHASE DIR 1
BLOCK:
Off=0
SETTING
PHASE DIR 1 SOURCE: I 0.05 pu
IA
Seq=ABC Seq=ACB
SETTING
VBC VCB
PHASE DIR 1 POL V
THRESHOLD:
-Use V when V
-Use V memory when
V < Min
V MINIMUM
SETTING
PHASE DIR 1 BLOCK OC
WHEN V MEM EXP:
No
Yes
PHASE B LOGIC SIMILAR TO PHASE A
PHASE C LOGIC SIMILAR TO PHASE A
a) MAIN MENU

PATH: SETTINGS GROUPED ELEMENTS
 NEUTRAL CURRENT

MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
GE Multilin
Min
MEMORY TIMER
1 cycle
1 sec
USE ACTUAL VOLTAGE
USE MEMORIZED VOLTAGE
Figure 5–76: PHASE DIRECTIONAL SCHEME LOGIC

SETTING GROUP 1(6)
 NEUTRAL TOC1

 NEUTRAL TOC2

 NEUTRAL IOC1

 NEUTRAL IOC2

 NEUTRAL
 DIRECTIONAL 1
 NEUTRAL
 DIRECTIONAL 2
D30 Line Distance Protection System
SETTING
PHASE DIR 1 ECA:
AND RUN
0
Vpol
1
AND


NEUTRAL CURRENT

See page 5–148.
See page 5–148.
See page 5–149.
See page 5–149.
See page 5–150.
See page 5–150.
5.6 GROUPED ELEMENTS
FLEXLOGIC OPERAND
OR PH DIR1 BLK
FLEXLOGIC OPERAND
PH DIR1 BLK A
OR
FLEXLOGIC OPERAND
PH DIR1 BLK B
FLEXLOGIC OPERAND
PH DIR1 BLK C
827078A6.CDR
5.6.8 NEUTRAL CURRENT
5-147
5